package java008_6;

import java.util.Scanner;

public class Judging12 {
	public static void main(String[] arg) {
		Scanner sc = new Scanner(System.in);
		int num = sc.nextInt();
		if(num%2 == 0) {
			System.out.println("是偶数");
		}else {
			System.out.println("是基数");
		}
	}
}
